Fermo, Italy offers 1 beach perfect for sunbathing, surfing, swimming, and more. Fermo is known for its historic Piazza del Popolo and the Roman Cisterns. The best time to travel to Fermo, Italy, is from May to September, when the average air temperature ranges from 20°C to 30°C (68°F to 86°F) and the Adriatic Sea water temperature is around 22°C to 26°C (72°F to 79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!